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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,整十数加一位数相应的减法,人教新课标版一年级数学下册,1,(1)40是( )个十,(2)45里面有( )个十和( )个一,4个十和5个一是( ),(3)38里面有( )个十和( )个一,3个十和8个一是( ),2口算,1填空:, 63, 58, 94, 157, 89, 156, 146, 46,4,4,5,45,3,8,38,9,13,5,8,17,9,8,10,2,4,个十,5,个一,4 0,5, 45,3,6,个十,3,个一,6 0,3, 6 3,60,3 =,4,做一做,1摆5捆小棒,再摆6根小棒,写出一个算式。,摆35根小棒,拿走5根,写出一个算式。,5 0,6,3 5,5,5,5,个一, ,45,5 =,6, =,做一做,304,502,366,208,250,488,34,52,30,28,52,40,7,练一练,1填空,234里面有( )个十和( )个一,3个十和5个一是( ),32,30,76,6,67,60,2,70,7,3,4,35,8,练一练,3看图写算式, , , , , ,9,谢谢观看,10,
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